<template>
  <div>
    <h2>App组件标题</h2>
    <Child></Child>
  </div>
</template>

<script setup>
import Child from './components/Child.vue'
import { provide } from 'vue'

provide('count', 100)
</script>

<style>
p {
  background: #ccc;
}

div {
  border: 1px solid #aaa;
  margin: 20px;
}
</style>
